[gradsusr] problem in displaying variables

Ricardo Hallak hallak at model.iag.usp.br
Wed Feb 27 08:17:26 EST 2013


Hi People (Jeff, Saulo, T., others),

T., please, could you check your .ctl file for the dset line?
In the q file command, the output for the line:

binary: E:/blablabla

should be the name of the binary file (that is, the grib 1 file: fnl_20081112_18_00_c), not the .idx name file.

The .idx has to be created with the gribmap command, outside the GrADS and before running GrADS:

gribmap -i filename.ctl
 
This command will CREATE an index file. The name of this index file is set in your .ctl file, as follow in the example below:

dset fnl_20081112_18_00_c
index anyname.idx
title Test
etc ...

After getting this anyname.idx index file, you can open the .ctl file in GrADS and dysplay any variable.

T., how did you get your .ctl file for this  FNL grib file?

Ricardo

On Wed, 27 Feb 2013 07:47:18 +0000, T. haghroosta wrote
> Dear Jeff, 
>  
> The problem is this that I can open the .ctl file but I cannot display any variable inside the q file list ( command "d variable").
>  
> Dear Saulo,
> 
> I renamed the control file as same name as .idx, but the problem was not solved. I got these errors : 
> GRIB I/O error: Bit map I/O
> display error: invalid expression
>  
> Don't you think; it is related to converting process from fnl type to a control file and an idx file?
>  
> Dear manu,
>  
> Of course I did as like you said, but it didn't work.
>  
> Regards ,
>  
> T.

 
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